3D analysis method used for representing concrete surface washout characteristics

Abstract

The invention provides a 3D analysis method used for representing concrete surface washout characteristics, belongs to the field of representation of the concrete surface washout characteristics and solves the problem of lack of description of real 3D characteristics after concrete test pieces are washed out and damaged due to the fact that information of 2D planes is analyzed when the concrete surface washout characteristics are represented at present. The technical scheme is characterized in that a concrete test piece of a corresponding structure is selected, manufacturing, form stripping and maintenance of the concrete test piece are performed, and the maintained concrete test piece is pretreated after being maintained for set time; a concrete washout test of the pretreated concrete test piece is completed; 3D morphology feature parameters of concrete surfaces of the concrete test piece at each washout damage stage in the concrete washout test process are acquired; the 3D morphologyfeature parameters are corrected according to the selected structures of the concrete test piece; and the corrected 3D morphology feature parameters are used for representing the washout characteristics of the concrete test piece of the selected corresponding structure.

Description

technical field [0001] The invention relates to the technology of hydraulic structures, in particular to the technology of a three-dimensional analysis method for characterizing the scour characteristics of concrete surfaces. Background technique [0002] In the actual service process of hydraulic structures, such as bridge piers, port piers, power station dams, flood drainage ditches and other concrete structures, they will be impacted by high-speed water flow with more sand and stones, causing a certain degree of cavitation and erosion. Scouring damage, as the scouring process proceeds, the cement slurry layer on the concrete surface will be destroyed first, and then the aggregate will be exposed, resulting in damage to the concrete surface, and even the loss of coarse aggregate, which greatly reduces the service life of hydraulic structures. Therefore, it is of great significance and practical demand to carry out in-depth research on the anti-scouring performance of cemen...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a three-dimensional analysis method for characterizing the scouring characteristics of concrete surface, which solves the problem of analyzing the information on the two-dimensional plane when characterization of the scouring characteristics of the concrete surface at present, and lacks the reality of concrete specimens after scouring and damage. The problem of the description of three-dimensional features

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